Line marking apparatus



FIG. 1 is a right side view of the line marking apparatus.

FIG. 2 is a top view of the line marking apparatus.

FIG. 3 is a left side view of the line marking apparatus.

FIG. 4 is a front view of the line marking apparatus.

FIG. 5 is a left side perspective view of the line marking apparatus; and,

FIG. 6 is a rear view of the line marking apparatus. 

CLAIM The ornamental design for a line marking apparatus, as shown and described. 